My favorite, hands down, is City Chicks by Patricia Foreman. In it she tells you everything you need to know to grow peeps from hatch to laying hens. Then, she tells you more stuff you don't HAVE to know, but is great fun to learn about chickens, like chicken tricks. She is also the author (with her husband, Andy Lee) of Chicken Tractor, Day Range Poultry, Backyard Market Gardening and more.
I am lucky in that I belong to a poultry club organized by Pat Foreman, so I can ask questions directly to her, but I still want to have the books on hand when I need to look something up right away.